现代政治的巨大挑战是将身份认同的要求与自由民主的要求相调和。
The great challenge of modern politics is to reconcile the demands of identity with the requirements of liberal democracy.
The challenge of our time is to harness energy without harming the planet.
国用过少，则金价低了，金价低则各项事业不好办，故对事业不利。
领导力意味着今天做出艰难的决定，以塑造更美好的明天。
I think the key to directing is to be open to change.
当你拒绝你一无所知的东西时，这是最高形式的无知。